Device for automatic simultaneous controlling of the distance between cathodes and the second grid of a trichromatic cathode tube gun
US4776103A · kind A · utility
6Cited by
7References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 22, 1986 |
| Grant date | Oct 11, 1988 |
| Priority date | — |
| Expiry date | Dec 22, 2006 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J9/42
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The control device according to the invention comprises three controlling elements secured to a structure or frame and each comprising a fixed guide, a movable tubular socket and a feeler rod or probe connected to a core of a displacement sensor of which the body is integral with the tubular socket, the tubular socket and the rod being applied by springs against G2 and the cathode respectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.